Venue Summary
Legend
Click any location on the map to see its full venue summary and race date recommendations.
Legend
Icon Color (Top 3 Race Windows)
All 3 windows — Spring
2 of 3 windows — Spring
All 3 windows — Fall
2 of 3 windows — Fall
Tied or no valid windows
Race Suitability Score
Starts at 100, penalties per week window:
Rain: -0.8 per % rainy days
Above 100F: -0.6 per % (DQ if >15%)
Above 90F: -0.2 per % (DQ if >60%)
Below 24F: -0.6 per % (DQ if >15%)
Below 32F: -0.3 per % (DQ if >25%)
Grades by quartile rank among visible venues.
Rain: -0.8 per % rainy days
Above 100F: -0.6 per % (DQ if >15%)
Above 90F: -0.2 per % (DQ if >60%)
Below 24F: -0.6 per % (DQ if >15%)
Below 32F: -0.3 per % (DQ if >25%)
Grades by quartile rank among visible venues.
Significance Ring
Thick white ring = p < 0.01 (99% confident spring ≠ fall)
Medium ring = p < 0.05 (95%)
Thin ring = p < 0.10 (90%)
No ring = not significant
Updates dynamically with year range.
Medium ring = p < 0.05 (95%)
Thin ring = p < 0.10 (90%)
No ring = not significant
Updates dynamically with year range.
Grade
A = Top 25% of venues
B = Next 25%
C = Next 25%
D = Bottom 25%
B = Next 25%
C = Next 25%
D = Bottom 25%
Rain Resilience (⚙ toggle)
Multiplies the rain penalty. Surface type overrides USDA if set.
Granite 0.15× — immune to rain
Limestone 0.20× — sheds water fast
Sand 0.35× — drains well
Hardpack 0.55× — some mud possible
Loam 1.00× — average baseline
Clay 2.00× — mud disaster
Blank Surface_Type → USDA HSG used as fallback.
Set Surface_Type in Venues sheet to override.
Toggle soil on/off in ⚙ to compare.
Granite 0.15× — immune to rain
Limestone 0.20× — sheds water fast
Sand 0.35× — drains well
Hardpack 0.55× — some mud possible
Loam 1.00× — average baseline
Clay 2.00× — mud disaster
Blank Surface_Type → USDA HSG used as fallback.
Set Surface_Type in Venues sheet to override.
Toggle soil on/off in ⚙ to compare.
Notes
- Ring = spring/fall difference is statistically significant
- Heat DQs Aug & Sep at most venues
- Year range filter rescores from raw daily data
- Force To + Month/Week filters work together
- Weather data: open-meteo.com
- Zippenfenig, Patrick. Open-Meteo.com Weather API. Zenodo, 2023.